1 watt-hour
3.6 kJEnergy · definition
The quantity is exact as entered. Comparisons use the clearly stated specimen, model or nominal measurement.
Energy
Just how much energy is 1 watt-hour?
A little work
1 Wh
3,600 Jjoules
0.001 kWhkilowatt-hours
0.86042 kcalkilocalories
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1 watt-hour3.6 kJEnergy · definition
02
Food kilocalorie4.184 kJEnergy · defined energy model
Bar length represents energy. Equal energy does not imply the same temperature, power or usefulness.
A little perspective
Food kilocalorie has about 1.16 times the energy of 1 watt-hour.
Measurements, assumptions & sources +
1 watt-hour
The quantity is exact as entered. Comparisons use the clearly stated specimen, model or nominal measurement.
Food kilocalorie
One thermochemical kilocalorie, the unit commonly written Calorie on food labels.
Defined examples — our methodology
The marked energy is calibrated. Unmeasured illustration details are representative.
Measurement details
Why these numbers?
The visual compares energy with energy. The records below preserve each value’s basis and caveats.
Food kilocalorie
4.184 kJEnergy · defined energy model
One thermochemical kilocalorie, the unit commonly written Calorie on food labels.
- Comparing
- Energy ↔ Energy
- Relative size
- Food kilocalorie is larger on this measurement by a factor of about 1.16. Food kilocalorie's selected measurement is approximately 16.2% greater than 1 watt-hour's.
How to read the visual
The labelled spans and stored measurements determine the scale; unmeasured illustration details do not.
- Food kilocalorie is labelled defined energy model; treat the displayed value as a comparison anchor rather than false precision.
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